In the question given below there is a sentence of which some parts have been jumbled up. Rearrange these parts which are labeled P,Q,R and S to produce the correct sentence. Choose the proper sequence and mark your response in the sheet.
P. because they had too little
Q. thousands of year ago
R. our ancestors had to save and store
S. whatever they could save
AQRSP
BRSQP
CQPRS
DSPQR
